Granted Patent
Utility
US 5,199,308 · App. 07/637,099
Multi-functional level probe mounting device
Inventors:
Davie B. Lawhon, James C. Rodgers, George Alexander
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Jan 3, 1991
Inventors
Davie B. Lawhon
James C. Rodgers
George Alexander
Assignee (at issue)
Betz Laboratories, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.